Summary of Significant Accounting Policies (Schedule of Customers that Account for Greater than 10 Percent of Accounts Receivable) (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	$ 6,449,691	$ 5,373,023
GlaxoSmithKline and GlaxoSmithKline Biologicals [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	1,721,048	1,691,144
Percent of Total Receivables	23.00%	27.00%
Medicare [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	$ 1,930,801	$ 890,936
Percent of Total Receivables	26.00%	14.00%

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3-4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph a(1)

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant